<template>
  <div class="home">
    <ParticleBackground />
    
    <!-- Tech Grid Background -->
    <div class="tech-grid-background"></div>
    
    <!-- Scan Lines Effect -->
    <div class="scan-lines"></div>
    
    <!-- Hero Section -->
    <section class="hero">
      <div class="hero-background">
        <div class="gradient-orb orb-1"></div>
        <div class="gradient-orb orb-2"></div>
        <div class="gradient-orb orb-3"></div>
      </div>
      
      <div class="hero-content">
        <div class="tech-frame">
          <div class="corner-decoration top-left"></div>
          <div class="corner-decoration top-right"></div>
          <div class="corner-decoration bottom-left"></div>
          <div class="corner-decoration bottom-right"></div>
          <div class="data-bars">
            <div class="data-bar"></div>
            <div class="data-bar"></div>
            <div class="data-bar"></div>
          </div>
        </div>
        <h1 class="hero-title animate-fadeInUp">
          <span class="title-line">探索人工智能的</span>
          <span class="gradient-text">无限可能</span>
        </h1>
        <p class="hero-subtitle animate-fadeInUp" style="animation-delay: 0.2s">
          深入了解当前最前沿的AI技术，掌握人工智能的核心知识
        </p>
        <a href="#technologies" class="cta-button animate-fadeInUp" style="animation-delay: 0.4s">
          开始探索
          <span class="cta-icon">🚀</span>
        </a>
      </div>
      
      <div class="scroll-indicator">
        <div class="mouse">
          <div class="wheel"></div>
        </div>
        <p>向下滚动</p>
      </div>
    </section>

    <!-- Stats Section -->
    <section class="stats">
      <div class="data-stream"></div>
      <div class="container">
        <div class="stat-item" v-for="stat in stats" :key="stat.label">
          <div class="stat-wrapper">
            <div class="hexagon-bg"></div>
            <div class="stat-number">{{ stat.number }}</div>
            <div class="stat-label">{{ stat.label }}</div>
            <div class="pulse-ring"></div>
          </div>
        </div>
      </div>
    </section>

    <!-- Technologies Section -->
    <section id="technologies" class="technologies">
      <div class="container">
        <div class="section-header">
          <h2 class="section-title">前沿技术领域</h2>
          <p class="section-subtitle">
            从大语言模型到计算机视觉，探索AI技术的各个前沿方向
          </p>
        </div>
        
        <div class="tech-grid">
          <TechCard 
            v-for="tech in technologies" 
            :key="tech.id" 
            :tech="tech"
            class="animate-fadeInUp"
          />
        </div>
      </div>
    </section>

    <!-- Guide Preview Section -->
    <section class="guide-preview">
      <div class="container">
        <div class="guide-preview-content">
          <div class="guide-info">
            <div class="tag-line">🎯 AI时代生存指南</div>
            <h2>普通人要做的三种转变</h2>
            <p>在AI时代，如何从被替代者变成引领者？</p>
            <ul class="preview-list">
              <li>从"执行者"到"提示者"</li>
              <li>从"劳动者"到"整合者"</li>
              <li>从"被动学习"到"持续升级"</li>
            </ul>
            <router-link to="/guide" class="guide-button">
              查看完整指南
              <span class="button-arrow">→</span>
            </router-link>
          </div>
          <div class="guide-visual">
            <div class="transformation-icon">
              <div class="icon-layer">🚀</div>
              <div class="icon-layer">💡</div>
              <div class="icon-layer">⚡</div>
            </div>
          </div>
        </div>
      </div>
    </section>

    <!-- About Section -->
    <section id="about" class="about">
      <div class="container">
        <div class="about-content">
          <div class="about-text">
            <h2>关于AI小课堂</h2>
         
            <div class="closing-message">
              <h3>我们能做的，不是害怕，而是掌握</h3>
              <p class="emphasis">
                你不需要成为AI专家，<br>
                但你必须成为 <strong class="highlight-text">AI的使用者、指挥者、整合者</strong>。
              </p>
              <blockquote class="quote-box">
                "未来的竞争，不是人与人之间的竞争，<br>
                而是'谁更会用AI'的竞争。"
              </blockquote>
            </div>
          </div>
        </div>
      </div>
    </section>
  </div>
</template>

<script setup>
import { ref } from 'vue'
import TechCard from '../components/TechCard.vue'
import ParticleBackground from '../components/ParticleBackground.vue'
import { technologies } from '../data/technologies.js'

const stats = ref([
  { number: '6+', label: '技术领域' },
  { number: '30+', label: '核心技术' },
  { number: '∞', label: '应用场景' }
])
</script>

<style scoped>
.home {
  width: 100%;
  position: relative;
}

/* Tech Grid Background */
.tech-grid-background {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: 
    linear-gradient(rgba(99, 102, 241, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(99, 102, 241, 0.03) 1px, transparent 1px);
  background-size: 50px 50px;
  z-index: -1;
  pointer-events: none;
}

/* Scan Lines Effect */
.scan-lines {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    180deg,
    rgba(0, 243, 255, 0.02) 50%,
    transparent 50%
  );
  background-size: 100% 4px;
  z-index: 1;
  pointer-events: none;
  animation: scan 8s linear infinite;
}

@keyframes scan {
  0% {
    transform: translateY(0);
  }
  100% {
    transform: translateY(4px);
  }
}

/* Tech Frame Corners */
.tech-frame {
  position: absolute;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.corner-decoration {
  position: absolute;
  width: 60px;
  height: 60px;
  border: 2px solid var(--neon-blue);
  opacity: 0.5;
  box-shadow: 0 0 20px rgba(0, 243, 255, 0.5);
}

.corner-decoration.top-left {
  top: -30px;
  left: -30px;
  border-right: none;
  border-bottom: none;
  animation: corner-pulse 3s ease-in-out infinite;
}

.corner-decoration.top-right {
  top: -30px;
  right: -30px;
  border-left: none;
  border-bottom: none;
  animation: corner-pulse 3s ease-in-out infinite 0.75s;
}

.corner-decoration.bottom-left {
  bottom: -30px;
  left: -30px;
  border-right: none;
  border-top: none;
  animation: corner-pulse 3s ease-in-out infinite 1.5s;
}

.corner-decoration.bottom-right {
  bottom: -30px;
  right: -30px;
  border-left: none;
  border-top: none;
  animation: corner-pulse 3s ease-in-out infinite 2.25s;
}

@keyframes corner-pulse {
  0%, 100% {
    opacity: 0.3;
    transform: scale(1);
  }
  50% {
    opacity: 0.8;
    transform: scale(1.1);
  }
}

/* Data Bars */
.data-bars {
  position: absolute;
  top: -50px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 8px;
  opacity: 0.6;
}

.data-bar {
  width: 3px;
  height: 30px;
  background: linear-gradient(180deg, var(--neon-blue), transparent);
  box-shadow: 0 0 10px var(--neon-blue);
  animation: data-pulse 2s ease-in-out infinite;
}

.data-bar:nth-child(1) {
  animation-delay: 0s;
  height: 25px;
}

.data-bar:nth-child(2) {
  animation-delay: 0.3s;
  height: 35px;
}

.data-bar:nth-child(3) {
  animation-delay: 0.6s;
  height: 20px;
}

@keyframes data-pulse {
  0%, 100% {
    opacity: 0.3;
    transform: scaleY(1);
  }
  50% {
    opacity: 1;
    transform: scaleY(1.3);
  }
}

/* Hero Section */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding: 2rem;
}

.hero-background {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
}

.gradient-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  opacity: 0.4;
  animation: float 20s ease-in-out infinite, pulse-glow 6s ease-in-out infinite;
  mix-blend-mode: screen;
}

@keyframes pulse-glow {
  0%, 100% {
    opacity: 0.3;
    transform: scale(1);
  }
  50% {
    opacity: 0.5;
    transform: scale(1.1);
  }
}

.orb-1 {
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, var(--neon-blue), var(--neon-purple));
  top: -15%;
  left: -15%;
  animation-delay: 0s;
}

.orb-2 {
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, var(--neon-pink), var(--neon-purple));
  top: 40%;
  right: -10%;
  animation-delay: -7s;
}

.orb-3 {
  width: 550px;
  height: 550px;
  background: radial-gradient(circle, var(--neon-purple), var(--neon-blue));
  bottom: -15%;
  left: 30%;
  animation-delay: -14s;
}

.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 900px;
}

.hero-title {
  font-size: var(--font-5xl);
  font-weight: 800;
  line-height: 1.4;
  margin-bottom: var(--space-lg);
  color: var(--text-primary);
  text-shadow: var(--shadow-glow-strong);
  letter-spacing: 0.02em;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.title-line {
  display: block;
  margin-bottom: 0.5rem;
}

.gradient-text {
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  background-size: 300% 300%;
  animation: gradient-flow 4s ease infinite;
  filter: drop-shadow(0 0 20px rgba(99, 102, 241, 0.5));
}

@keyframes neon-pulse {
  0%, 100% {
    filter: drop-shadow(0 0 10px rgba(99, 102, 241, 0.5));
  }
  50% {
    filter: drop-shadow(0 0 30px rgba(99, 102, 241, 0.8));
  }
}

.hero-subtitle {
  font-size: var(--font-xl);
  color: var(--text-secondary);
  margin-bottom: var(--space-xl);
  line-height: 1.8;
  font-weight: 400;
  letter-spacing: 0.01em;
  text-shadow: 0 0 10px rgba(99, 102, 241, 0.2);
}

.cta-button {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  background: var(--gradient-primary);
  color: white;
  padding: var(--space-sm) calc(var(--space-lg) * 1.25);
  border-radius: var(--radius-full);
  font-size: var(--font-lg);
  font-weight: 600;
  transition: all var(--duration-normal) var(--ease-out);
  box-shadow: var(--shadow-glow);
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.cta-button::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
  transition: left 0.5s;
}

.cta-button::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 50px;
  padding: 2px;
  background: linear-gradient(135deg, var(--neon-blue), var(--neon-pink));
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask-composite: exclude;
  opacity: 0;
  transition: opacity 0.3s;
}

.cta-button:hover {
  transform: translateY(-5px) scale(1.05);
  box-shadow: 
    0 20px 50px rgba(99, 102, 241, 0.6),
    0 0 40px rgba(0, 243, 255, 0.5),
    inset 0 0 30px rgba(255, 255, 255, 0.2);
  text-shadow: 0 0 10px rgba(255, 255, 255, 0.8);
}

.cta-button:hover::before {
  left: 100%;
}

.cta-button:hover::after {
  opacity: 1;
}

.cta-icon {
  font-size: 1.5rem;
  transition: transform 0.3s ease;
}

.cta-button:hover .cta-icon {
  transform: translateX(5px);
}

.scroll-indicator {
  position: absolute;
  bottom: 3rem;
  left: 50%;
  transform: translateX(-50%);
  text-align: center;
  color: var(--text-secondary);
  z-index: 1;
  animation: float 3s ease-in-out infinite;
}

.mouse {
  width: 26px;
  height: 40px;
  border: 2px solid var(--text-secondary);
  border-radius: 20px;
  margin: 0 auto 0.5rem;
  position: relative;
  box-shadow: 
    0 0 10px rgba(99, 102, 241, 0.3),
    inset 0 0 10px rgba(99, 102, 241, 0.1);
  transition: all 0.3s ease;
}

.scroll-indicator:hover .mouse {
  border-color: var(--neon-blue);
  box-shadow: 
    0 0 20px rgba(0, 243, 255, 0.6),
    inset 0 0 20px rgba(99, 102, 241, 0.2);
}

.wheel {
  width: 4px;
  height: 8px;
  background: var(--text-secondary);
  border-radius: 2px;
  position: absolute;
  top: 8px;
  left: 50%;
  transform: translateX(-50%);
  animation: scroll 2s infinite;
  box-shadow: 0 0 5px rgba(99, 102, 241, 0.5);
}

.scroll-indicator:hover .wheel {
  background: var(--neon-blue);
  box-shadow: 0 0 10px var(--neon-blue);
}

@keyframes scroll {
  0%, 100% {
    top: 8px;
    opacity: 1;
  }
  100% {
    top: 20px;
    opacity: 0;
  }
}

/* Stats Section */
.stats {
  padding: 4rem 0;
  background: rgba(26, 31, 53, 0.4);
  backdrop-filter: blur(10px);
  border-top: 1px solid rgba(99, 102, 241, 0.2);
  border-bottom: 1px solid rgba(99, 102, 241, 0.2);
  position: relative;
  overflow: hidden;
  box-shadow: 
    inset 0 1px 0 rgba(0, 243, 255, 0.3),
    inset 0 -1px 0 rgba(0, 243, 255, 0.3);
}

.stats::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 100%;
  background: linear-gradient(90deg, 
    transparent 0%, 
    rgba(99, 102, 241, 0.05) 50%, 
    transparent 100%
  );
  animation: slide 8s linear infinite;
}

@keyframes slide {
  0% {
    transform: translateX(-100%);
  }
  100% {
    transform: translateX(100%);
  }
}

/* Data Stream Effect */
.data-stream {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: 
    repeating-linear-gradient(
      90deg,
      transparent,
      transparent 10px,
      rgba(0, 243, 255, 0.03) 10px,
      rgba(0, 243, 255, 0.03) 11px
    );
  animation: data-flow 20s linear infinite;
  pointer-events: none;
}

@keyframes data-flow {
  0% {
    transform: translateX(0);
  }
  100% {
    transform: translateX(100px);
  }
}

.stats .container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 3rem;
}

.stat-item {
  text-align: center;
}

.stat-wrapper {
  position: relative;
  padding: 2rem;
  transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Hexagon Background */
.hexagon-bg {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 180px;
  height: 180px;
  background: rgba(99, 102, 241, 0.05);
  clip-path: polygon(50% 0%, 100% 25%, 100% 75%, 50% 100%, 0% 75%, 0% 25%);
  border: 2px solid rgba(99, 102, 241, 0.3);
  transition: all 0.5s ease;
  z-index: 0;
}

.stat-wrapper:hover .hexagon-bg {
  background: rgba(99, 102, 241, 0.15);
  border-color: rgba(0, 243, 255, 0.6);
  box-shadow: 
    0 0 30px rgba(0, 243, 255, 0.4),
    inset 0 0 30px rgba(99, 102, 241, 0.2);
  transform: translate(-50%, -50%) rotate(180deg);
}

/* Pulse Ring */
.pulse-ring {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 200px;
  height: 200px;
  border: 2px solid rgba(0, 243, 255, 0.4);
  border-radius: 50%;
  opacity: 0;
  animation: pulse-expand 3s ease-out infinite;
  z-index: -1;
}

@keyframes pulse-expand {
  0% {
    transform: translate(-50%, -50%) scale(0.5);
    opacity: 0;
  }
  50% {
    opacity: 0.5;
  }
  100% {
    transform: translate(-50%, -50%) scale(1.5);
    opacity: 0;
  }
}

.stat-number {
  position: relative;
  z-index: 1;
  font-size: 4.5rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--neon-blue), var(--neon-purple));
  background-size: 200% 200%;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 1rem;
  animation: gradient 3s ease infinite;
  filter: drop-shadow(0 0 30px rgba(99, 102, 241, 0.6));
  transition: all 0.3s ease;
  letter-spacing: 3px;
}

.stat-wrapper:hover .stat-number {
  transform: scale(1.15);
  filter: drop-shadow(0 0 50px rgba(99, 102, 241, 1));
}

.stat-label {
  position: relative;
  z-index: 1;
  color: var(--text-secondary);
  font-size: 1.4rem;
  font-weight: 500;
  letter-spacing: 1px;
  text-shadow: 0 0 10px rgba(0, 243, 255, 0.3);
}

/* Technologies Section */
.technologies {
  padding: 6rem 0;
  position: relative;
  overflow: hidden;
}

.technologies::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: 
    radial-gradient(circle at 20% 30%, rgba(99, 102, 241, 0.05) 0%, transparent 50%),
    radial-gradient(circle at 80% 70%, rgba(0, 243, 255, 0.05) 0%, transparent 50%);
  pointer-events: none;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

.section-header {
  text-align: center;
  margin-bottom: 4rem;
}

.section-title {
  font-size: var(--font-4xl);
  font-weight: 800;
  margin-bottom: var(--space-md);
  color: var(--text-primary);
  position: relative;
  display: inline-block;
  letter-spacing: 0.02em;
  text-shadow: var(--shadow-glow);
  padding: 0 var(--space-lg);
}

.section-title::before {
  content: '[ ';
  position: absolute;
  left: -10px;
  color: var(--neon-blue);
  font-weight: 400;
  animation: blink 1.5s ease-in-out infinite;
}

.section-title::after {
  content: ' ]';
  position: absolute;
  right: -10px;
  color: var(--neon-blue);
  font-weight: 400;
  animation: blink 1.5s ease-in-out infinite 0.75s;
}

@keyframes blink {
  0%, 49%, 100% {
    opacity: 1;
  }
  50%, 99% {
    opacity: 0.3;
  }
}

.section-subtitle {
  font-size: 1.5rem;
  color: var(--text-secondary);
  max-width: 700px;
  margin: 0 auto;
  font-weight: 400;
  letter-spacing: 0.5px;
  line-height: 1.8;
}

.tech-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 2rem;
}

/* Guide Preview Section */
.guide-preview {
  padding: 6rem 0;
  background: rgba(26, 31, 53, 0.4);
  position: relative;
  overflow: hidden;
  border-top: 1px solid rgba(0, 243, 255, 0.2);
  border-bottom: 1px solid rgba(0, 243, 255, 0.2);
}

.guide-preview::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: 
    radial-gradient(circle at 30% 50%, rgba(99, 102, 241, 0.1), transparent 60%),
    repeating-linear-gradient(
      0deg,
      transparent,
      transparent 2px,
      rgba(0, 243, 255, 0.02) 2px,
      rgba(0, 243, 255, 0.02) 4px
    ),
    repeating-linear-gradient(
      90deg,
      transparent,
      transparent 2px,
      rgba(0, 243, 255, 0.02) 2px,
      rgba(0, 243, 255, 0.02) 4px
    );
  animation: circuit-flow 15s linear infinite;
}

@keyframes circuit-flow {
  0% {
    background-position: 0 0, 0 0, 0 0;
  }
  100% {
    background-position: 0 0, 0 20px, 20px 0;
  }
}

.guide-preview-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  position: relative;
  z-index: 1;
}

.tag-line {
  display: inline-block;
  background: rgba(99, 102, 241, 0.15);
  color: var(--neon-blue);
  padding: 0.5rem 1.5rem;
  border-radius: 50px;
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
  border: 1px solid rgba(99, 102, 241, 0.3);
  box-shadow: 
    0 0 20px rgba(99, 102, 241, 0.2),
    inset 0 0 20px rgba(99, 102, 241, 0.1);
  position: relative;
  overflow: hidden;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.tag-line::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  animation: shine 3s infinite;
}

@keyframes shine {
  0% {
    left: -100%;
  }
  50%, 100% {
    left: 100%;
  }
}

.guide-info h2 {
  font-size: 2.8rem;
  margin-bottom: 1.5rem;
  color: var(--text-primary);
  line-height: 1.2;
  position: relative;
  padding-left: 1.5rem;
  text-shadow: 0 0 20px rgba(99, 102, 241, 0.3);
}

.guide-info h2::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  width: 5px;
  height: 100%;
  background: linear-gradient(180deg, var(--neon-blue), var(--neon-purple));
  box-shadow: 0 0 15px var(--neon-blue);
  border-radius: 5px;
}

.guide-info > p {
  font-size: 1.2rem;
  color: var(--text-secondary);
  margin-bottom: 2rem;
}

.preview-list {
  list-style: none;
  margin-bottom: 2.5rem;
}

.preview-list li {
  color: var(--text-secondary);
  font-size: 1.1rem;
  padding: 1rem 0;
  padding-left: 2.5rem;
  position: relative;
  border-bottom: 1px solid rgba(99, 102, 241, 0.1);
  transition: all 0.3s ease;
  background: linear-gradient(90deg, transparent, rgba(99, 102, 241, 0.03), transparent);
  background-size: 0% 100%;
  background-repeat: no-repeat;
}

.preview-list li:hover {
  padding-left: 3rem;
  color: var(--text-primary);
  background-size: 100% 100%;
  border-bottom-color: rgba(0, 243, 255, 0.3);
}

.preview-list li::before {
  content: '▸';
  position: absolute;
  left: 0;
  color: var(--neon-purple);
  font-size: 1.3rem;
  text-shadow: 0 0 10px var(--neon-purple);
  transition: all 0.3s ease;
}

.preview-list li:hover::before {
  left: 0.5rem;
  color: var(--neon-blue);
  text-shadow: 0 0 15px var(--neon-blue);
  animation: arrow-pulse 0.6s ease infinite;
}

@keyframes arrow-pulse {
  0%, 100% {
    transform: translateX(0);
  }
  50% {
    transform: translateX(5px);
  }
}

.preview-list li::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 1px;
  background: linear-gradient(90deg, var(--neon-blue), var(--neon-purple));
  box-shadow: 0 0 10px var(--neon-blue);
  transition: width 0.3s ease;
}

.preview-list li:hover::after {
  width: 100%;
}

.preview-list li:last-child {
  border-bottom: none;
}

.guide-button {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  background: linear-gradient(135deg, var(--neon-purple), var(--neon-blue));
  color: white;
  padding: 1rem 2.5rem;
  border-radius: 50px;
  font-size: 1.1rem;
  font-weight: 600;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 
    0 10px 30px rgba(99, 102, 241, 0.4),
    0 0 20px rgba(0, 243, 255, 0.3),
    inset 0 0 20px rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  position: relative;
  overflow: hidden;
}

.guide-button::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.2);
  transform: translate(-50%, -50%);
  transition: width 0.6s, height 0.6s;
}

.guide-button:hover::before {
  width: 300px;
  height: 300px;
}

.guide-button:hover {
  transform: translateY(-3px) scale(1.05);
  box-shadow: 
    0 15px 40px rgba(99, 102, 241, 0.6),
    0 0 40px rgba(0, 243, 255, 0.5),
    inset 0 0 30px rgba(255, 255, 255, 0.2);
  border-color: rgba(0, 243, 255, 0.5);
}

.button-arrow {
  transition: transform 0.3s ease;
  position: relative;
  z-index: 1;
}

.guide-button:hover .button-arrow {
  transform: translateX(5px);
  animation: arrow-glow 0.6s ease infinite;
}

@keyframes arrow-glow {
  0%, 100% {
    text-shadow: 0 0 5px rgba(255, 255, 255, 0.5);
  }
  50% {
    text-shadow: 0 0 15px rgba(255, 255, 255, 1);
  }
}

.guide-visual {
  display: flex;
  justify-content: center;
  align-items: center;
}

.transformation-icon {
  position: relative;
  width: 300px;
  height: 300px;
}

.transformation-icon::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 250px;
  height: 250px;
  border: 2px solid rgba(99, 102, 241, 0.2);
  border-radius: 50%;
  animation: rotate 20s linear infinite;
}

.transformation-icon::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 200px;
  height: 200px;
  border: 2px dashed rgba(0, 243, 255, 0.3);
  border-radius: 50%;
  animation: rotate 15s linear infinite reverse;
}

@keyframes rotate {
  0% {
    transform: translate(-50%, -50%) rotate(0deg);
  }
  100% {
    transform: translate(-50%, -50%) rotate(360deg);
  }
}

.icon-layer {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: 6rem;
  filter: drop-shadow(0 0 30px rgba(99, 102, 241, 0.5));
  animation: float 3s ease-in-out infinite;
  transition: all 0.3s ease;
}

.transformation-icon:hover .icon-layer {
  filter: drop-shadow(0 0 50px rgba(0, 243, 255, 0.8));
}

.icon-layer:nth-child(1) {
  animation-delay: 0s;
  opacity: 0.3;
  transform: translate(-50%, -50%) scale(1.3);
}

.icon-layer:nth-child(2) {
  animation-delay: -1s;
  opacity: 0.6;
  transform: translate(-50%, -50%) scale(1.1);
}

.icon-layer:nth-child(3) {
  animation-delay: -2s;
  opacity: 1;
}

/* About Section */
.about {
  padding: 6rem 0;
  background: rgba(26, 31, 53, 0.3);
  position: relative;
  overflow: hidden;
}

.about::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  width: 1px;
  height: 100%;
  background: linear-gradient(
    180deg,
    transparent,
    rgba(99, 102, 241, 0.5),
    transparent
  );
  box-shadow: 0 0 20px rgba(99, 102, 241, 0.5);
}

.about::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 80%;
  height: 80%;
  background: radial-gradient(circle, rgba(99, 102, 241, 0.03) 0%, transparent 70%);
  pointer-events: none;
}

.about-content {
  max-width: 900px;
  margin: 0 auto;
}

.about-text h2 {
  font-size: 3.5rem;
  margin-bottom: 2.5rem;
  color: var(--text-primary);
  text-align: center;
  font-weight: 800;
  letter-spacing: 2px;
  text-shadow: 
    0 0 30px rgba(99, 102, 241, 0.3),
    0 0 60px rgba(99, 102, 241, 0.2);
  position: relative;
  z-index: 1;
}

.about-text h2::before,
.about-text h2::after {
  content: '━━━';
  display: inline-block;
  margin: 0 1rem;
  color: var(--neon-blue);
  font-size: 0.5em;
  vertical-align: middle;
  opacity: 0.6;
  text-shadow: 0 0 10px var(--neon-blue);
}

.about-text p {
  color: var(--text-secondary);
  font-size: 1.4rem;
  line-height: 2.2;
  margin-bottom: 2.5rem;
  text-align: center;
  font-weight: 400;
}

.closing-message {
  margin-top: 4rem;
  padding: 3.5rem 3rem;
  background: rgba(99, 102, 241, 0.08);
  border: 1px solid rgba(99, 102, 241, 0.25);
  border-radius: 20px;
  position: relative;
  overflow: hidden;
  box-shadow: 
    0 20px 60px rgba(99, 102, 241, 0.2),
    inset 0 0 60px rgba(99, 102, 241, 0.05);
}

.closing-message::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--neon-blue), var(--neon-purple), var(--neon-pink));
  background-size: 200% 100%;
  animation: border-flow 3s ease infinite;
}

.closing-message::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--neon-pink), var(--neon-purple), var(--neon-blue));
  background-size: 200% 100%;
  animation: border-flow 3s ease infinite reverse;
}

.closing-message h3 {
  font-size: 2.8rem;
  color: var(--text-primary);
  margin-bottom: 2.5rem;
  text-align: center;
  background: linear-gradient(135deg, var(--neon-blue), var(--neon-purple));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-weight: 800;
  letter-spacing: 2px;
  filter: drop-shadow(0 0 20px rgba(99, 102, 241, 0.5));
}

.emphasis {
  font-size: 1.6rem;
  color: var(--text-secondary);
  text-align: center;
  line-height: 2.4;
  margin-bottom: 3rem;
  font-weight: 400;
}

.highlight-text {
  color: var(--neon-blue);
  text-shadow: 0 0 20px rgba(0, 243, 255, 0.6);
  font-weight: 700;
  font-size: 1.15em;
}

.quote-box {
  margin: 0;
  padding: 2.5rem 3.5rem;
  background: rgba(30, 41, 59, 0.6);
  border-left: 5px solid var(--neon-purple);
  border-right: 1px solid rgba(0, 243, 255, 0.2);
  border-radius: 16px;
  font-size: 1.5rem;
  color: var(--text-primary);
  font-style: italic;
  line-height: 2.2;
  text-align: center;
  box-shadow: 
    0 15px 40px rgba(99, 102, 241, 0.3),
    inset 0 0 30px rgba(99, 102, 241, 0.1);
  position: relative;
  letter-spacing: 1px;
  font-weight: 500;
  backdrop-filter: blur(10px);
}

.quote-box::before {
  content: '"';
  position: absolute;
  top: -10px;
  left: 10px;
  font-size: 4rem;
  color: var(--neon-purple);
  opacity: 0.3;
  font-family: Georgia, serif;
  text-shadow: 0 0 20px var(--neon-purple);
}

.quote-box::after {
  content: '"';
  position: absolute;
  bottom: -30px;
  right: 10px;
  font-size: 4rem;
  color: var(--neon-purple);
  opacity: 0.3;
  font-family: Georgia, serif;
  text-shadow: 0 0 20px var(--neon-purple);
}

/* Responsive Design */
@media (max-width: 1024px) {
  .hero-title {
    font-size: 3rem;
  }
  
  .corner-decoration {
    width: 40px;
    height: 40px;
  }
  
  .guide-preview-content {
    grid-template-columns: 1fr;
  }
  
  .guide-visual {
    order: -1;
  }
  
  .transformation-icon {
    width: 200px;
    height: 200px;
  }
  
  .transformation-icon::before {
    width: 180px;
    height: 180px;
  }
  
  .transformation-icon::after {
    width: 150px;
    height: 150px;
  }
  
  .about-text h2 {
    font-size: 2.5rem;
  }
  
  .closing-message h3 {
    font-size: 1.8rem;
  }
  
  .hexagon-bg {
    width: 150px;
    height: 150px;
  }
}

@media (max-width: 768px) {
  .hero-title {
    font-size: 2.5rem;
    line-height: 1.3;
  }
  
  .title-line {
    margin-bottom: 0.3rem;
  }
  
  .hero-subtitle {
    font-size: 1.2rem;
  }
  
  .corner-decoration {
    width: 30px;
    height: 30px;
  }
  
  .data-bars {
    top: -30px;
  }
  
  .data-bar {
    width: 2px;
    height: 20px;
  }
  
  .data-bar:nth-child(1) {
    height: 18px;
  }
  
  .data-bar:nth-child(2) {
    height: 25px;
  }
  
  .data-bar:nth-child(3) {
    height: 15px;
  }
  
  .section-title {
    font-size: 2rem;
    padding: 0 1rem;
  }
  
  .section-title::before,
  .section-title::after {
    font-size: 1.5rem;
  }
  
  .tech-grid {
    grid-template-columns: 1fr;
  }
  
  .stats .container {
    gap: 2rem;
  }
  
  .stat-number {
    font-size: 2.5rem;
  }
  
  .hexagon-bg {
    width: 120px;
    height: 120px;
  }
  
  .transformation-icon {
    width: 150px;
    height: 150px;
  }
  
  .transformation-icon::before {
    width: 130px;
    height: 130px;
  }
  
  .transformation-icon::after {
    width: 100px;
    height: 100px;
  }
  
  .icon-layer {
    font-size: 4rem;
  }
  
  .about-text h2::before,
  .about-text h2::after {
    display: none;
  }
  
  .about-text p {
    font-size: 1.05rem;
  }
  
  .emphasis {
    font-size: 1.1rem;
  }
  
  .quote-box {
    padding: 1.5rem 1.5rem;
    font-size: 1.1rem;
  }
  
  .closing-message {
    padding: 2.5rem 1.5rem;
  }
  
  .tech-grid-background {
    background-size: 30px 30px;
  }
}
</style>

